If you enable both VoiceOver and Full Keyboard Access, you may find that VoiceOver focus will be inconsistent and unreliable in some situations. Typically this may result in you not being able to move VoiceOver focus by flicking or focus spontaneously jumping between UI elements.
Steps to reproduce
- Ensure that VoiceOver is enabled.
- In Settings > Accessibility > Keyboards, ensure that Full Keyboard Access is enabled.
- Open Safari and place VoiceOver focus in to the address field.
- Flick right with 1 finger.
You would expect VoiceOver focus to move from the address field to the next UI element.
What actually happens is that focus remains in the address field.
Another example of this issue can be found by opening the App Store app; navigating to the Today tab; double-tapping with 1 finger on the My Account button; and then double-tapping with 1 finger on your name. The resulting page is impossible to navigate by flicking.